Freestyle · Reference video workflow
Bulin 47 AI Video Generator
Upload one character photo and try your take on the Bulin 47 freestyle with a preset performance reference.
Upload your character photo
Use a sharp, well-lit photo of one adult facing the camera. Show the face, hair and upper body; avoid sunglasses, covered faces and heavy filters.
By generating, you confirm permission to use your photo and the reference materials.
One freestyle. Different characters.
Explore different character interpretations, then upload a photo to try your own.
Explore 6 more examples
How to make a Bulin 47 AI video
The reference performance and instructions are preset. No reference upload or prompt writing needed.
- 01
Upload one photo
Choose a clear single-person photo with the face and upper body visible. Replace or remove it before submitting.
- 02
Review credits and generate
Review the fixed output settings and credit cost, sign in and generate.
- 03
Review and download
Follow the task on this page. Check the character, movement and audio before downloading; your task is also in My generations.
What is the Bulin 47 AI trend?
Bulin 47 AI refers to AI remixes of the freestyle scene featuring Bulin 47 and Kevin Wai. Creators use a character image and a performance reference to attempt to replace the lead rapper while retaining the recognizable setting and movement. It is a video trend, not the name of a separate AI model.
For this workflow, the intended replacement is the lead performer behind the person holding the speaker. Preserving other people, the camera movement and the audio is a goal to review in the output, not a guaranteed result.
Bulin 47 AI prompt: a starting point
These are the editing goals behind the preset. You do not need to copy or enter a prompt.
Use the uploaded character image as the appearance reference and the motion video as the performance reference. Replace only the lead rapper behind the speaker holder with the character in the image. Keep the speaker holder and crowd unchanged. Follow the reference gestures, shot order and camera movement. Maintain the new character’s identity through turns and occlusions. Avoid role swaps, duplicate people and new scenes. Keep the reference video’s framing. Review audio separately; do not invent dialogue.
What to check in your freestyle remix
- The wrong person changes
- Describe the lead performer by position and appearance. Explicitly preserve the speaker holder and crowd. Remove conflicting character references.
- The face changes after a turn
- Use a clear, unobstructed character photo and try a shorter reference segment. Inspect the frames before and after an occlusion.
- Sound or lip-sync does not match
- Audio generation is not the same as copying the source soundtrack. Check the output; suitable licensed audio or a separate synchronization step may be needed.
- The clip loses the original scene
- Use the actual performance reference rather than only a text description. Keep the prompt focused on replacing one character and review the result before sharing.
Bulin 47 AI FAQ
Is this Bulin 47 AI generator free?
You can read the guide and edit the prompt without paying. Video generation uses your account credits. The workspace shows an estimate based on your selected model settings and reference files; this page does not promise free generations.
Do I need the original reference video?
No. The freestyle reference is preset. Upload your character photo and review the cost before generating.
Is this a Bulin 47 AI app or filter?
It is a browser-based video workflow within SeedGen AI. You do not need to install a separate app. Sign in to submit a generation task.
Will it preserve Kevin Wai, the crowd and the original sound?
The preset aims to replace the lead performer while retaining the speaker holder, crowd and rhythm. Identity, lip-sync and soundtrack retention have not been verified with a test render. Review the result before sharing.
What duration and aspect ratio can I use?
The output follows the reference video’s duration and framing (19 seconds), at the resolution shown beside the generation button. Choose 480P or 720P quality.
How long does generation take?
There is no verified completion-time estimate for this workflow yet. Follow the task status in the workspace or My generations. Queueing and processing time can vary.
What happens to credits if generation fails?
The existing task system returns deducted credits when a task is recorded as failed. A completed video that does not match your artistic expectations is not automatically a failed task. Check the task status and contact support if the balance does not update.
Whose photo and audio can I use?
Use your own photo or material you have permission to use, and follow the site and model provider’s rules. Permission to use a photo does not also grant rights to the reference video or soundtrack. This is an independent workflow, not an official Bulin 47 or Kevin Wai service.
Keep creating
More tools for your next video
Explore the existing prompt library, creation tools and credit plans.
Bring your photo to the freestyle
Upload your photo, review the credits and start creating.
Upload your photoIndependent AI workflow. No affiliation with or endorsement by Bulin 47 or Kevin Wai. Use authorized materials and label synthetic content appropriately. Terms of service